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Standards GB are Chinese national standards, which are issued by China's Standardization Administration Office (SAC).
Chinese national standards are used all over China commonly labeled as GB standards. They determine the united production requirements regarding product safety and quality .
GB standards are often modified or created according to the international standards of ISO, IEC or any other international level.
Although, they are largely harmonized, GB standards may differ from international standards .
Approximately 15% of all GB standards are obligatory and they can be identified according to the prefix GB, after which the code of the standards follows:
GB – Obligatory national standards
GB/T – Optional national standards
GB/Z – National steering technical document
Terminology of fiscal budget management integrated system
Standard published on 28.1.2026
Selected format:Evaluation specifications for classification and grading of digital transformation service providers
Standard published on 28.1.2026
Selected format:Industrial internet platform—Data dictionary for connecting industrial equipment
Standard published on 28.1.2026
Selected format:Chromium metal—Determination of chromium content—The ammonium ferrous sulfate titrimetric method
Standard published on 29.8.2016
Selected format:Methods for chemical analysis of chromium metal--The cupral spectrophotometric method for the determination of copper content
Standard published on 15.4.1985
Selected format:Methods for chemical analysis of chromium metal--The alizarin violet spectrophotometric method for the determination of tin content
Standard published on 15.4.1985
Selected format:Methods for chemical analysisof chromium metal--The infrared absorption method for the determination of carbon content
Standard published on 21.2.1988
Selected format:Chromium metal—Determination of lead,tin,bismuth,antimony and asenic content—Inductively coupled plasma mass spectrometric method
Standard published on 13.12.2016
Selected format:Chromium metal—Determination of sulfur content—Infrared absorption method and combustion-neutralization titration method
Standard published on 29.8.2025
Selected format:Chromium metalDetermination of oxygen, nitrogen and hydrogen contentInert gas fusion thermal infrared detection method and conductivity method
Standard published on 13.12.2016
Selected format:Latest update: 2026-08-21 (Number of items: 2 298 377)
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